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2440: Chlamydia trachomatis Antigen, DFA Print View
Specimen Source      
Chlamydia Antigen DFA  Not detected   

PRIMARY
1 Smear/Slides 3 (2) mL   Frozen - 14 Day(s)/Refrigerated - 14 Day(s)/Room Temperature - 14 Day(s)  
ALTERNATE
  M4 Transport Media/Swab   Refrigerated - 72 Hour(s)/Room Temperature - 24 Hour(s)/Frozen - 7 Day(s) See COLLECTION INSTRUCTIONS./// 
  VCM Medium   Frozen - 7 Day(s)/Refrigerated - 72 Hour(s)/Room Temperature - 24 Hour(s)  

Assay is for the detection of Chlamydiae in direct specimens. Chlamydia trachomatis strains are major etiologic agents of sexually transmitted diseases.

1. Specimens should be collected early in the acute phase of
infection. The chance of microorganism recovery is best during
the first 3 days after onset and is greatly reduced beyond 5 days
with many microorganisms
2. Two prepared slides or smears can be submitted. Fix with methanol.
Place in slide holder. Ship at ambient temperature
3. Acceptable specimens:
Urethral, cervical, rectal mucosal, eye, nasopharyngeal specimens.
4. To maintain optimum viability, place swab or fluid into UTM or
equivalent Chlamydia transport medium. Transport the specimen to the
laboratory as soon as possible. Best recovery is obtained when the
specimens are refrigerated at 2-8degreesC or kept on wet ice following
collection and while in transit. If there will be a long delay before
processing, specimens in UTM or equivalent should be frozen at
-70degrees C or colder and transported on dry ice. Storage or
transport at -20degrees C is not acceptable.
5. Unacceptable specimens:
Urine, wooden shaft or calcium alginate swabs, dry swabs. Swabs in
bacterial gel-based transport media, swabs in nucleic acid transport
media, tissues in fixatives. Broken slides.
6. Specimen source is essential because processing and set up is
dependent on it. Indicate on the requisition form where specimen
was obtained.
7. Universal transport media (UTM) and dacron-tipped swabs with
plastic or fine-wire shafts available for use with UTM are provided.
Please call Client Services, 800-421-4449 to request media.
Setup Schedule
Monday-Saturday

Reported (Analytical Time)
Same day

CPT Code
87270

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

Notes
1. Test code #7437U Chlamydia trachomatis rRNA Detection [TMA] is recommended for urine specimens. 2. Culture is recommended as the standard for Chlamydia trachomatis detection in suspected sexual abuse. 3. Specimen submitted should have adequate columnar epithelial cells. Any specimen that does not have sufficient columnar epithelial cells will be reported as "Insufficient number of cells present to evaluate. Resubmit if clinically indicated."






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For test information, please call Client Services at 800-421-4449.

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